Astragals are required on:
3 hour fire rated pairs:
Double doors - swinging in the same direction
Double Egress - swinging in opposite directions
Fire rated Dutch Doors
Fire rated 1 3/4" t...
Yes, wood doors can be used and installed in most hollow metal frame applications including FE-Series and DE-Series Double Egress frames.
Caution - For fire rated applications the wood door manufa...
The overhead concealed operators (2850/2860) will not work on a Double Egress frame because the doors are not in the same plane. You will have to use the surface mount (9553 / 9563) on Double Egres...
The 4040SE uses the regular arm for any Push Side mounting (minimum 28" door width).
ST-2788 (a special arm and track) can be used to mount a 4040SE on the Push Side of a smaller (narrow) door. Sm...
The minimum door opening width (for mounting a pair of 4640 or 4630 operators on a double door) is 72" wide (2 - 36" door leaves). Mounting the 4640 or 4630 on a double door that is less than 72" w...